| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 18,097 | +9.8% |
| 2024/5 | 16,485 | +5.4% |
| 2023/5 | 15,647 | -1.8% |
| 2022/5 | 15,933 | +0.4% |
| 2021/5 | 15,862 | +4.3% |
| 2020/5 | 15,203 | -2.4% |
| 2019/5 | 15,581 | -3.1% |
| 2018/5 | 16,086 | +3.5% |
| 2017/5 | 15,542 | +0.4% |
| 2016/5 | 15,480 | +0.5% |
| 2015/5 | 15,402 | +9.1% |
| 2014/5 | 14,113 | +14.6% |
| 2013/5 | 12,312 | +16.9% |
| 2012/5 | 10,534 | -2.1% |
| 2011/5 | 10,764 | - |